Jawabanmu

2014-06-03T18:39:42+07:00
Kll = 2(p + l)
50 = 2(p + 10)
50 = 2p + 20
50 - 20 =2p
2p = 30
p = 15 cm
jadikan terbaik ya :0
siip!! thanks, (y)
sama - sama
2014-06-03T18:41:14+07:00
Lebar=10cm
keliling=50 cm
rumus mencari panjang
k-2lebar/2
50-2.10/2=15cm

klo gk salh
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